Paulis Kennel uses tenant$-$days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant$-$day. During February, the kennel budgeted for $2,500$ tenant$-$days, but its actual level of activity was $2,480$ tenant$-$days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for February:

Data used in budgeting:

Fixed element per month Variable element per tenant$-$day

Revenue $ $0$ $ $35\mathrm{.}30$

Wages and salaries $ $2,500$ $ $5\mathrm{.}90$

Food and supplies $40013\mathrm{.}80$

Facility expenses $8,9003\mathrm{.}40$

Administrative expenses $7,8000\mathrm{.}40$

Total expenses $ $19,600$ $ $23\mathrm{.}50$

Actual results for February:

Revenue $ $85,654$

Wages and salaries $ $16,992$

Food and supplies $ $33,084$

Facility expenses $ $16,682$

Administrative expenses $ $8,732$

The net operating income in the flexible budget for February would be closest to:

Multiple Choice

$$9,900$

$$10,083$

$$9,664$

$$10,246$